Head Graphene XT Radical Rev Pro Tennis Racquet (4 3/8) The lightest version of the Radical XT series, this racquet is much more maneuverable and easier to swing than the Radical Pro used by Andy Murray HEAD's Adaptive String Pattern (ASP) allows the racquet to be strung in a 16x16 pattern for more power and spin or 16x19 pattern for more control. Head Size: 98 sq. inches / 632 sq. cm / Length: 27 inches Weight: (unstrung) 9.5 oz / 270 grams (strung) 10.1 oz. / 285 grams Racquet is strung in the 16x16 pattern and ready to use with extra 16x19 grommets attached. HEAD does not provide a cover.